/// <summary>
/// 规则转换
/// </summary>
/// <param name="text">规则内容</param>
/// <returns></returns>
public static List <RuleDefination> ParseRules(string text)
{
List <RuleDefination> rules = new List <RuleDefination>();
if (text == null)
{
return(rules);
}
if (text.Trim().Length <= 0)
{
return(rules);
}
string[] lines = text.Split("\r\n".ToCharArray());
if (lines == null)
{
return(rules);
}
if (lines.Length == 0)
{
return(rules);
}
List <string> filteredLines = ParseHelper.FilterEmptyRow(lines);
RuleDefination rule = null;
int ruleIndex = -1;
for (int i = 0; i < filteredLines.Count; i++)
{
string line = filteredLines[i];
if (line.Trim().Length > 4 && line.Substring(0, 4) == "rule")
{
ruleIndex = i;
rule = new RuleDefination();
rule.RuleName = line.Substring(5).Trim('"');
}
else if (line.Trim().Length >= 8 && line.Substring(0, 8) == "end rule")
{
if (rule == null)
{
throw new Exception("Rule Parse error");
}
if (rule != null)
{
rule.RuleContent = ParseHelper.GetInnerRawContent(filteredLines, ruleIndex + 1, i - 1);
rules.Add(rule);
ruleIndex = -1;
}
}
}
if (rules.Count == 0)
{
throw new Exception("Rule cannot be empty");
}
return(rules);
}
/// <summary>
/// 转换规则
/// </summary>
/// <param name="text">所有规则函数</param>
/// <returns></returns>
public static List <RuleRegion> ParseRegions(string text)
{
List <RuleRegion> regions = new List <RuleRegion>();
if (text == null)
{
return(regions);
}
if (text.Trim().Length <= 0)
{
return(regions);
}
//换行，回车作为函数行分隔
string[] lines = text.Split("\r\n".ToCharArray());
if (lines == null)
{
return(regions);
}
if (lines.Length == 0)
{
return(regions);
}
//去除空白行
List <string> filteredLines = ParseHelper.FilterEmptyRow(lines);
RuleRegion region = null;
int regionIndex = -1;
for (int i = 0; i < filteredLines.Count; i++)
{
string line = filteredLines[i];
if (line.Trim().Length > 7 && line.Substring(0, 7) == "#region")
{
regionIndex = i;
region = new RuleRegion();
region.RegionName = line.Substring(8).Trim('"');
}
else if (line.Trim().Length >= 10 && line.Substring(0, 10) == "#endregion")
{
if (region == null)
{
throw new Exception("Region Parse error");
}
if (region != null)
{
region.RegionContent = ParseHelper.GetInnerRawContent(filteredLines, regionIndex + 1, i - 1);
regions.Add(region);
regionIndex = -1;
}
}
}
if (regions.Count == 0)
{
throw new Exception("Region cannot be empty");
}
return(regions);
}